Google

Thousands of websites went black or obscured their homepages on Wednesday to protest the Stop Online Piracy Act (SOPA) and the Protect IP Act (PIPA), two controversial bills designed to crack down on web piracy. Critics of the bills — which are backed by Hollywood, the recording industry, and major media companies, including Time Warner, the parent of TIME — say they are too broad and could lead to Internet censorship.

Here are ten of the most prominent websites participating in Wednesday’s protest.